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Ohi nuclear power plant 3

Operating Japan
Gross capacity
1,180MW

Ohi nuclear power plant 3 is a pressurised water reactor unit at Ohi nuclear power plant in Japan rated at 1,180 MW gross. It is operating. Commercial operation began 18 Dec 1991.

Specification
Reactor type Pressurised water reactor (PWR)
ModelM (4-loop)
Size classLarge
CoolantLight water
ModeratorLight water
Gross capacity1,180MW
Net capacity (reference)1,127MW
Net capacity (design)1,127MW
Thermal output3,423MWt
Typical enrichment3–5% U-235
Ownership & location
SiteOhi nuclear power plant
Unit3
CountryJapan
OwnerKansai Electric Power Co100%
OperatorKansai Electric Power
Coordinates 35.5424, 135.6544
Fuel chain for this unit
Fuel form
Uranium dioxide pellets in zirconium-alloy cladding
Enrichment
3–5% U-235
Who makes this assembly
Upstream

Enriched fuel means this unit sits downstream of five conversion plants and four enrichment operators holding 88% of world capacity between the top three.

RosatomUrencoCNNCOrano
Conversion
CamecoCNNCConverDynOranoRosatom
Fabricator capability is recorded against reactor type and model line, not against named units — utilities do not publish fuel contracts. See the fuel chain.

Timeline

  1. 3 Oct 1987Construction start
  2. 17 May 1991First criticality
  3. 7 Jun 1991Grid connection
  4. 18 Dec 1991Commercial operation

Other units at Ohi nuclear power plant

UnitStatusGross MW
Ohi nuclear power plant 1 Retired 1,175
Ohi nuclear power plant 2 Retired 1,175
Ohi nuclear power plant 4 Operating 1,180

Other M (4-loop) units

5 units worldwide share this model designation.

UnitCountryStatusGross MW
Genkai nuclear power plant 3 Japan Operating 1,180
Genkai nuclear power plant 4 Japan Operating 1,180
Ohi nuclear power plant 4 Japan Operating 1,180
Tsuruga nuclear power plant 2 Japan Mothballed 1,160

Sources